. The electron microscope, its development, present performance and future possibilities. Electron microscopes. 26 The Electron Microscope between the two devices is that in the spherical type relatively small voltages (of a few thousand volts) are sufficient to produce. Fig. 7 cold or auto-electric emission from the sharp point. The mag- nifications obtainable with these simple devices are of the order of a few hundred thousand, and their resolving power is remark- ably high, of the same order as of the supermicroscope, but their field of application is rather limited. They have been used by
. The electron microscope, its development, present performance and future possibilities. Electron microscopes. 26 The Electron Microscope between the two devices is that in the spherical type relatively small voltages (of a few thousand volts) are sufficient to produce. Fig. 7 cold or auto-electric emission from the sharp point. The mag- nifications obtainable with these simple devices are of the order of a few hundred thousand, and their resolving power is remark- ably high, of the same order as of the supermicroscope, but their field of application is rather limited. They have been used by M. Benjamin and R. O. Jenkins ^"^ in a very thorough study of the auto-electric emission of various clean and contaminated. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gabor, Dennis, 1900-. Brooklyn, Chemical Pub. Co.
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